<wicket:panel>
<table>
    <tr wicket:id="sourcesDropDownContainer"><td><span wicket:id="sourcesDropDown"></span></td></tr>
    <tr><td><wicket:message key="name.colon" /> <input type="text" size="30" wicket:id="content" /></td></tr>
    <tr><td><input wicket:id="button" type="button"/></td></tr>
</table>
</wicket:panel>